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14 lines
161 B
C
14 lines
161 B
C
#include "os.h"
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int spin_lock()
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{
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w_mstatus(r_mstatus() & ~MSTATUS_MIE);
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return 0;
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}
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int spin_unlock()
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{
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w_mstatus(r_mstatus() | MSTATUS_MIE);
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return 0;
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}
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